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Computer analysis of cervical cells. Automatic feature extraction and classification

J Holmquist, E Bengtsson, O Eriksson, B Nordin and B Stenkvist

A prescreening instrument for cervical smears using computerized image processing and pattern recognition techniques requires that single cells in the specimen can be automatically isolated and analyzed. This paper describes a dual wavelength method for automatic isolation of the cytoplasm and nuclei of cells. Density-oriented, shape-oriented and texture-oriented parameters were calculated and evaluated for more than 600 cells. It is shown that the computer can be taught to distinguish between normal and atypical cells with an accuracy of ca. 97%, while human classification reproducibility is ca. 95%. In addition, an attempt to assign a measure of atypia to individual cells is described.

Volume 26, Issue 11, pp. 1000-1017, 11/01/1978
Copyright © 1978 by The Histochemical Society


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